Best Exhaust for Your G35: Coupe or Sedan

You might be asking yourself, “Why should I replace my G35’s exhaust system?”

Well, quality exhausts for Infiniti G35 coupes and sedans will increase horsepower, torque, and overall performance from your car. They also make your car sound better.

Sometimes because of better flow of exhaust gases, an aftermarket exhaust can even increase MPG. Of course, this assumes you don’t spend more time with your foot on the gas pedal after you get addicted to hearing your better sounding exhaust.

Exhaust system modifications are one of the most popular G35 mods. This is no surprise as the Infiniti G35 (also sold under the Nissan brand in some countries) is such a popular car with enthusiasts like yourself.

This easy-to-read guide will walk through the best exhausts for your G35, with a break down of exhausts into 3 different price categories.

Construction of Replacement Exhaust Systems

All of the exhaust systems below are constructed with stainless steel. They are dual type, typically cat-back systems.

Most of the G35 exhaust systems in this article come with a warranty, and most can be installed at home with some patience and the willingness to learn.

Exhaust diameters range widely, from 2-inch to 3-inch pipes, and the tips range from 4 inches to 4.5 inches in size.

Types of Infiniti G35 Exhaust Systems

Getting the best exhaust for your Infiniti G35 coupe or sedan will depend on your unique needs, since there are many different types of exhausts.

All of the exhaust systems below are dual-exit exhausts, but they vary in pipe diameter, tip size, and what materials the tip is built from. Some of them have better warranties than others, too.

Finally, there are many different costs associated with aftermarket exhaust systems. Some are inexpensive and built for everyday use, while the high-performance units will run you a bit more out of pocket.

Cheap G35 Exhaust Systems for Coupe or Sedan Owners

All of the companies in this category make exhaust kits that are reasonably priced.

The word “cheap” is often seen to be negative, but these exhausts still meet the minimum requirements. Maybe they could have a nicer finish or a slightly nicer sound, but they aren’t bad exhausts by any means.

They’re ordered from least expensive to most expensive, based on the price at the time of publication.

DNA Motoring Exhaust systems are some of the cheapest if not the best exhaust for Nissan V35 coupe owners on a budget. They’re built from T-304 stainless steel and feature smooth mandrel bends for great exhaust flow and performance.

Each exhaust is designed to be low restriction, low backpressure, with as few bends as possible.

They include all the necessary gaskets and hardware for installation which can save you in the long fun. Their flanges are TIG welded for strength and CNC machined to resist corrosion and exhaust heat. Their systems have a deep, aggressive sound.

The only complaint we have about these systems is that their fitment can sometimes be off, so you may need to man handle the system to get it to fit your factory exhaust mounts.

The Manzo cat-back is one of our favorite exhausts for 4 door G35 sedans, with the brand claiming it’s one of their strongest products. It’s made from SUS-304 stainless steel and comes with a fully polished surface, CNC machined flanges, and mandrel bends.

Manzo’s M2 system has been claimed to improve horsepower, torque, and overall performance due to its straight-through design. Do know though, that it is a loud unit. We love this, but your neighbors might not.

As an added bonus, Manzo’s M2 exhaust system includes an upgraded Y-pipe for the front section of your exhaust.

That said, while it has been designed to fit your OEM parts and mounts, like most of the cheap G35 exhausts, fitment can be an issue. It doesn’t mean it will never fit, you might just need to spend some time making it work.

Like others, they’re made from stainless steel, with CNC machined flanges for a long life. Mandrel-bent piping gives your car smooth exhaust flow and the least amount of restriction possible.

This system comes with 4-inch tips rather than the 4.5-inch tips. They are single rounded, rolled angle-cut phantom tips. This doesn’t seem to affect performance though.

The exhaust system comes with a “Manufacturer’s Warranty” of 90 days, which is the same warranty offered on all Spec-D Tuning products.

The piping diameter on this exhaust system is only 2 inches, and the muffler tip size is only 4 inches. AJP can get away with this smaller diameter system as the system splits very close to the catalytic converter.

It’s built from polished stainless steel and has a sleek, clean look.

AJP’s offering isn’t anywhere near as loud as the others mentioned here, but for some owners that’s what they are looking for. This just helps your car to growl a bit more than the OEM system.

Consider this unit to be like a OEM that makes some noise up only when you put your foot down.

This sleek exhaust system from AutoGrimmig is built from T-304 stainless steel. Its pipe is a 2.5-inch straight-thru design, and it includes the stainless steel Y-pipe, mid-pipes, and mufflers.

The dual mufflers are 4.5-inch titanium with burnt tips.

The system might not be the best exhaust system for your G35 coupe, but it is reasonably inexpensive given the quality. Considered by many to be an HKS Hi-Power copy, it also includes gaskets and hardware for installation.

Note that it will fit coupes made between 2003-07, but not sedans.

If you’re looking for a good exhaust system you can buy for cheap, take a look at this one.

Best Mid-Range Exhausts for Your G35 Coupe or Sedan

The products listed below are a bit pricier than the ones above, but they typically have better warranties.

The most notable difference in these units is the fitment. Where most of the cheap exhausts need a lot of manipulation to get them fitted, in this price bracket you can expect them to fit your car with a lot less effort.

The Megan Racing OE-RS cat-back exhaust systems are based on factory styling, but with bigger piping and OEM style polished mufflers. They offer a quiet sound and are still quite affordable given their quality.

Do note that the Y-pipe is sold separately from this system. The exhaust system is a direct bolt-on application and, unlike some of the cheaper systems, fitment is usually like a glove (perfect).

All Megan Racing piping is mandrel bent with a high polished finish. This system will help improve horsepower with a minimal noise increase. Like the AJP Distributors cat-back, these are similar to an OEM+ unit.

Despite being listed in this section, Tanabe are still cheap G35 exhausts, at around half the price of a Borla system.

Their exhausts use new “continuous strand” ADVANTEX packing material technology. This helps them achieve very high levels of exhaust efficiency. Despite this, it’s still really street-driveable, with an extremely low frequency and deep tone that stays well under 93db.

If all out noise isn’t for you, definitely check out these systems from Tanabe, they’re mandrel bent, improve exhaust flow, and have minimal bends.

Magnaflow exhaust systems unleash horsepower and torque gains. Each system is custom-engineered for your specific year G35.

You can choose between single and dual-exit systems, though we’ll focus on dual here.

The Magnaflow system uses dense acoustical-absorbing material inside the muffler to filter out vibration and harsh noise, which leaves behind a smooth, throaty growl.

Their systems incorporate mandrel bent tubing for restriction-free transitions, unlike those in stock exhausts. Their exhausts help with sound, performance, and power—everything you want your exhaust to fix with aftermarket parts. Unlike many of the other systems mentioned in this article, Magnaflow exhausts are street legal in all 50 states.

A Magnaflow exhaust will help increase horsepower, increase pulling torque, and even improve MPGs. While they aren’t a cheap G35 exhaust, they do offer a lot for the money spent.

High-Performance Infiniti G35 Exhausts

Finally, we have the upper-tier, high-performance exhausts for your Nissan V35 coupe or sedan.

These exhaust systems are made from the highest quality materials and have the best finishes. Time has been taken to make sure they not only sound good, but they look great too.

The Invidia exhaust will free up horsepower, and give torque gains. The exhaust is mandrel bent to shape, with CNC machined flanges.

It gives off a rich, deep, sporty sound. Do know that this system does not have a resonated X-pipe, so it will be a bit louder and raspier than other exhaust systems. Most owners find that the rasp goes away over time, though.

What helps make them one of our favorite exhausts for Infiniti G35 coupes is their Million-Mile Warranty. They aren’t cheap G35 exhausts by any means, but they’ll bolster horsepower and torque and improve fuel economy.

Each kit incorporates Borla’s patented multi-core and straight-through muffler designs. The systems come with all the required clamps, connectors, and hardware needed for installation. These are by far our favorite when it comes to making a G35 sound great.

HKS is iconic, having participated in racing tournaments all around the world. This has helped them to accumulate wide knowledge on crafting the best auto parts.

This knowledge comes at a price though; they are very expensive exhausts.

The Hi-Power exhaust system is a serious unit made from SUS304 stainless steel with high-powered titanium tips, a combination that improves durability and appearance. It’s also “JASMA” approved, meaning the absolute loudest it’ll ever get is 98db.

If you want a cheap G35 exhaust, look elsewhere. With HKS you’re getting one of the best exhaust systems available, but this comes at a price.

Their dual muffler system is a full independent layout of both right and left banks of V type engines. The full dual layout, without a 2-1 junction portion, prevents performance drop due to exhaust interference. At high RPM, this makes a real difference.

The HKS Hi-Power exhaust system has one of the best sounds, with a loud growl. Again though, this comes at a price that not all G35 owners are willing to pay.

The Best Exhausts for G35 Coupes and Sedans

There’s a huge range of exhaust systems for your G35 coupe or sedan. They vary in price and effectiveness.

Given the choice, our picks are:

Best Exhaust for Infiniti G35 Coupes: Stillen Cat-Back Exhaust System Though it’s the second-most expensive on the list, it’s widely regarded as one of the best aftermarket exhausts out there. Definitely our pick for all-out performance.

Best Exhaust for Infiniti G35 Sedans: Invidia Gemini Not only one of the nicest looking exhaust systems for 4 door owners, Invidia’s Gemini cat-back is a great trade-off between street-driven comfort and all out noise and performance.

Best value G35 exhaust: Tanabe Performance Exhaust System A high-performance exhaust system for a fraction of the cost, this mid-ranged exhaust is a good overall choice if you’re trying to upgrade to the best exhaust for you G35 coupe or sedan without breaking the bank.

Affordable G35 exhaust: Manzo M2 Cat-Back Exhaust System It’s right in the middle of the inexpensive list and will get the job done. It’s not the best on the market, but Manzo is a respected company and their product ticks all of the boxes for most Infiniti G35 drivers.

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